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xkylex
 Post subject: Cascading persist with embedded not nullable relation
PostPosted: Wed Mar 21, 2012 5:20 pm 
Newbie

Joined: Wed Mar 21, 2012 4:55 pm
Posts: 1
hello,

I'm confusing about Hibernate behavior and JPA spec.
please tell me below behavior that due to JPA spec or not.

Entity Classes:

Code:
@Entity
public class NewEntity implements Serializable {

    private static final long serialVersionUID = 1L;
    @Id
    @GeneratedValue(strategy = GenerationType.AUTO)
    private Long id;
    @Embedded
    private NewEntityEE neee = new NewEntityEE();
}


Code:
@Embeddable
public class NewEntityEE implements Serializable {

    @OneToOne(cascade = {CascadeType.PERSIST})
    @JoinColumn(nullable = false)
    private NewEntity3 ne3 = new NewEntity3();
}


Code:
@Entity
public class NewEntity3 implements Serializable {
    private static final long serialVersionUID = 1L;
    @Id
    @GeneratedValue(strategy = GenerationType.AUTO)
    private Long id;
}


the Service class:

Code:
@Stateless
public class NewEJB {
    @PersistenceContext
    private EntityManager em;

    public NewEntity create(){
        NewEntity ne = new NewEntity();
        em.persist(ne);
        return ne;
    }
}


invoke NewEJB#create(), exception occured:

Code:
WARN: HHH000437: Attempting to save one or more entities that have a non-nullable association with an unsaved transient entity. The unsaved transient entity must be saved in an operation prior to saving these dependent entities.
   Unsaved transient entity: ([entity.NewEntity3#<null>])
   Dependent entities: ([[entity.NewEntity#<null>]])
   Non-nullable association(s): ([entity.NewEntity.ne3])
警告: EJB5184:A system exception occurred during an invocation on EJB NewEJB, method: public entity.NewEntity ejb.NewEJB.create()
警告: javax.ejb.EJBException
   at com.sun.ejb.containers.BaseContainer.processSystemException(BaseContainer.java:5215)
   at com.sun.ejb.containers.BaseContainer.completeNewTx(BaseContainer.java:5113)
   at com.sun.ejb.containers.BaseContainer.postInvokeTx(BaseContainer.java:4901)
   at com.sun.ejb.containers.BaseContainer.postInvoke(BaseContainer.java:2045)
   at com.sun.ejb.containers.BaseContainer.postInvoke(BaseContainer.java:1994)
   at com.sun.ejb.containers.EJBLocalObjectInvocationHandler.invoke(EJBLocalObjectInvocationHandler.java:222)
   at com.sun.ejb.containers.EJBLocalObjectInvocationHandlerDelegate.invoke(EJBLocalObjectInvocationHandlerDelegate.java:88)
   at $Proxy286.create(Unknown Source)
   at ejb.__EJB31_Generated__NewEJB__Intf____Bean__.create(Unknown Source)
   at servlet.NewServlet.processRequest(NewServlet.java:53)
   at servlet.NewServlet.doGet(NewServlet.java:72)
   at javax.servlet.http.HttpServlet.service(HttpServlet.java:668)
   at javax.servlet.http.HttpServlet.service(HttpServlet.java:770)
   at org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1542)
   at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:281)
   at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
   at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:655)
   at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:595)
   at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:161)
   at org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:331)
   at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:231)
   at com.sun.enterprise.v3.services.impl.ContainerMapper$AdapterCallable.call(ContainerMapper.java:317)
   at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:195)
   at com.sun.grizzly.http.ProcessorTask.invokeAdapter(ProcessorTask.java:849)
   at com.sun.grizzly.http.ProcessorTask.doProcess(ProcessorTask.java:746)
   at com.sun.grizzly.http.ProcessorTask.process(ProcessorTask.java:1045)
   at com.sun.grizzly.http.DefaultProtocolFilter.execute(DefaultProtocolFilter.java:228)
   at com.sun.grizzly.DefaultProtocolChain.executeProtocolFilter(DefaultProtocolChain.java:137)
   at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:104)
   at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:90)
   at com.sun.grizzly.http.HttpProtocolChain.execute(HttpProtocolChain.java:79)
   at com.sun.grizzly.ProtocolChainContextTask.doCall(ProtocolChainContextTask.java:54)
   at com.sun.grizzly.SelectionKeyContextTask.call(SelectionKeyContextTask.java:59)
   at com.sun.grizzly.ContextTask.run(ContextTask.java:71)
   at com.sun.grizzly.util.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:532)
   at com.sun.grizzly.util.AbstractThreadPool$Worker.run(AbstractThreadPool.java:513)
   at java.lang.Thread.run(Thread.java:722)
Caused by: java.lang.IllegalStateException: org.hibernate.TransientPropertyValueException: Not-null property references a transient value - transient instance must be saved before current operation: entity.NewEntity.ne3 -> entity.NewEntity3
   at org.hibernate.ejb.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1357)
   at org.hibernate.ejb.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1288)
   at org.hibernate.ejb.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1294)
   at org.hibernate.ejb.AbstractEntityManagerImpl.persist(AbstractEntityManagerImpl.java:860)
   at com.sun.enterprise.container.common.impl.EntityManagerWrapper.persist(EntityManagerWrapper.java:269)
   at ejb.NewEJB.create(NewEJB.java:15)
   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
   at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
   at java.lang.reflect.Method.invoke(Method.java:601)
   at org.glassfish.ejb.security.application.EJBSecurityManager.runMethod(EJBSecurityManager.java:1052)
   at org.glassfish.ejb.security.application.EJBSecurityManager.invoke(EJBSecurityManager.java:1124)
   at com.sun.ejb.containers.BaseContainer.invokeBeanMethod(BaseContainer.java:5388)
   at com.sun.ejb.EjbInvocation.invokeBeanMethod(EjbInvocation.java:619)
   at com.sun.ejb.containers.interceptors.AroundInvokeChainImpl.invokeNext(InterceptorManager.java:800)
   at com.sun.ejb.EjbInvocation.proceed(EjbInvocation.java:571)
   at com.sun.ejb.containers.interceptors.SystemInterceptorProxy.doAround(SystemInterceptorProxy.java:162)
   at com.sun.ejb.containers.interceptors.SystemInterceptorProxy.aroundInvoke(SystemInterceptorProxy.java:144)
   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
   at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
   at java.lang.reflect.Method.invoke(Method.java:601)
   at com.sun.ejb.containers.interceptors.AroundInvokeInterceptor.intercept(InterceptorManager.java:861)
   at com.sun.ejb.containers.interceptors.AroundInvokeChainImpl.invokeNext(InterceptorManager.java:800)
   at com.sun.ejb.containers.interceptors.InterceptorManager.intercept(InterceptorManager.java:370)
   at com.sun.ejb.containers.BaseContainer.__intercept(BaseContainer.java:5360)
   at com.sun.ejb.containers.BaseContainer.intercept(BaseContainer.java:5348)
   at com.sun.ejb.containers.EJBLocalObjectInvocationHandler.invoke(EJBLocalObjectInvocationHandler.java:214)
   ... 31 more
Caused by: org.hibernate.TransientPropertyValueException: Not-null property references a transient value - transient instance must be saved before current operation: entity.NewEntity.ne3 -> entity.NewEntity3
   at org.hibernate.action.internal.UnresolvedEntityInsertActions.checkNoUnresolvedActionsAfterOperation(UnresolvedEntityInsertActions.java:135)
   at org.hibernate.engine.spi.ActionQueue.checkNoUnresolvedActionsAfterOperation(ActionQueue.java:240)
   at org.hibernate.internal.SessionImpl.checkNoUnresolvedActionsAfterOperation(SessionImpl.java:622)
   at org.hibernate.internal.SessionImpl.firePersist(SessionImpl.java:759)
   at org.hibernate.internal.SessionImpl.persist(SessionImpl.java:732)
   at org.hibernate.internal.SessionImpl.persist(SessionImpl.java:736)
   at org.hibernate.ejb.AbstractEntityManagerImpl.persist(AbstractEntityManagerImpl.java:854)
   ... 55 more


in addition, when i remove annotation "@JoinColumn(nullable = false)" of NewEntityEE, it worked.

or make relation hierarchy to direct like NewEntity -> NewEntity3
with annotation "@JoinColumn(nullable = false)", it worked.

environment:
- Hibernate 4.1.1
- GlassFish 3.1.2
- Sun JDK 1.7.0_03

thanks.
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